Patent US4268445A successfully refreshed from Google Patents.
Patent DE412499C successfully refreshed from Google Patents.
DE412499C
Expired / Lapsed
DE
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Electric motor, especially for speaking machines
Assignee: MOTOPHON AKT GES
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Filing: 1921-06-18
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Granted: 1925-04-22
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Expires: 1941-06-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 03:41
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/40
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